uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
10,680,896 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,925,022 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,661,960 users
Ghostery – Privacy Ad Blocker
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
1,040,909 users
NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
262,464 users
Decentraleyes
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
259,214 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1,262,359 users
Firefox Relay
Firefox Relay lets you generate email aliases that forward to your real inbox. Use it to hide your real email address and protect yourself from hackers and unwanted mail.
248,940 users
I still don't care about cookies
Community version of the popular extension "I don't care about cookies" https://github.com/OhMyGuus/I-Dont-Care-About-Cookies
112,324 users
Free VPN
1VPN - Free VPN Proxy, Unlimited Data, Fast Speeds, Secure Encryption, No-Logs Policy, and Easy to Use.
69,758 users
Popup Blocker Ultimate
Best Pop-up Blocker for Firefox. (Best in Rating, Performance, This addon does NOT collect user's data same as Poper Blocker)If your Firefox version is not 57+ please install version 8.1 from Official website.
56,601 users
UnTrap for YouTube
Summarize YouTube videos with AI and Hide Distractions: shorts, ads, comments, related, suggestions, and more.
21,439 users
LocalCDN
Emulates remote frameworks (e.g. jQuery, Bootstrap, AngularJS) and delivers them as local resource. Prevents unnecessary 3rd party requests to Google, StackPath, MaxCDN and more. Prepared rules for uBlock Origin/uMatrix.
18,253 users
Adblock
Lock Adblock: A lightweight, permissionless and user-friendly ad blocker for ads, trackers and malware.
11,530 users
LibRedirect
Redirects YouTube, Twitter, TikTok... requests to alternative privacy friendly frontends.
8,010 users
wiki.gg Redirect
Redirects all requests from wikis that have moved to wiki.gg from their former host.
7,014 users
Random User-Agent (Switcher)
Automatically change the user agent after a specified period of time to a randomly selected one, thus hiding your real user agent
4,960 users
FMHY SafeGuard
An extension that detects starred, safe, unsafe or potentially unsafe sites using the FMHY Filterlist.
4,058 users
YouTube Dislike Counter
Restores YouTube video dislike counts for both regular videos and shorts
3,392 users
LiteTube: Fix YouTube Lag & Adblock Detection
Fix YouTube Lag / Adblock Detection on Firefox issue by utilizing the lightweight Mobile API Lightweight YouTube (m.) without ads. Background Play, AdBlock, SponsorBlock, and Max Quality in one.
2,917 users
Script Blocker Ultimate (NoScript, Disable JS)
Best Script Blocker for Firefox. (Best in Performance, This addon does NOT track user activities same as others)
2,372 users
